A transcription unit in $DNA$ is defined primarily by the three regions in $DNA$ and these are with respect to upstream and down stream end;
Structural gene, Transposons, Operator gene
Inducer, Repressor, Structural gene
Promotor, Structural gene, Terminator
Repressor, Operator gene, Structural gene
Definitions/Explanation : Cistron & terminator
New strand on a $DNA$ template is initiated by
Which one process is only concerned with the transcription
What are the functions of $(i)$ methylated guanasine cap, $(ii)$ poly $-A$ “tail” in a mature on $RNA $ ?
Choose the correct statement.